package com.example.lotterysystem.dao.mapper;

import com.example.lotterysystem.dao.dataobject.ActivityUserDO;
import com.example.lotterysystem.service.enums.ActivityUserStatusEnum;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ActivityUserMapper {
    @Insert("<script>" +
            " insert into " +
            " activity_user (activity_id,user_id,user_name,status)" +
            " values <foreach collection='items' item='item' index='index' separator=',' >" +
            " (#{item.activityId},#{item.userId},#{item.userName},#{item.status})" +
            " </foreach>" +
            "</script>")
    @Options(useGeneratedKeys = true,keyProperty = "id",keyColumn = "id")
    int batchInsert(@Param("items") List<ActivityUserDO> activityUserDOList);
    @Select("select * from activity_user where activity_id =#{activityId}")
    List<ActivityUserDO> selectByActivityId(@Param("activityId") Long activityId);

    @Select("<script>" +
            " select * from activity_user where activity_id =#{activityId} and user_id in" +
            " <foreach collection='userIds' item='userId' open='(' separator=',' close=')'>" +
            " #{userId}" +
            " </foreach>" +
            " </script>")
    List<ActivityUserDO> batchSelectByAUIds(@Param("activityId")Long activityId,@Param("userIds") List<Long> userIds);

    @Update("<script>" +
            " update  activity_user set status=#{status} where activity_id =#{activityId} and user_id in" +
            " <foreach collection='userIds' item='userId' open='(' separator=',' close=')'>" +
            " #{userId}" +
            " </foreach>" +
            " </script>")
    void batchUpdateStatus(@Param("activityId")Long activityId,
                           @Param("userIds") List<Long> userIds,
                           @Param("status")ActivityUserStatusEnum targetUserStatus);
}
